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Guys i need help now

Last response: in Components
November 8, 2012 3:45:53 PM

I recently made an update on my pc ,i bought new mobo(gigabyte b75m-d3h) and a new cpu (i3 3220) i connected all the cables but next to cpu is a 8 pin connector and says ATX_12V_2x4 but i have only one 4 pin and when i start the pc nothing happens

please i need your help desperately

More about : guys

a b à CPUs
November 8, 2012 3:55:29 PM

It sounds like your trying to use an old Atx power supply. You need to buy a new one.
a b ) Power supply
a b à CPUs
November 8, 2012 3:55:29 PM

you need 2 x 4 pin or 1 x 8 pin on the psu

if your psu doesnt have them you need a molex or sata power adaptor to 4 pin
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November 8, 2012 4:14:40 PM

Even if you buy that extender, you won't be getting the correct power that your CPU needs. If you don't plan on stressing it too much, get the extender. But I wouldn't recommend it. Don't cheap out on a build. Buy a good power supply with plenty of headroom.
November 8, 2012 4:34:48 PM

i just want it for this month in december i will buy a new better psu
November 8, 2012 4:48:40 PM

but will it work?
a b ) Power supply
a c 114 à CPUs
November 8, 2012 5:00:27 PM

It will work. with a BIOS update. Does the CPU fan spin with the 4-pin connected?
November 8, 2012 5:08:58 PM

i dont know man i just looked another thread like mine he put the 4 pin connector on the 8 pin without molex and it woked maybe it is a front ppanel problem i dont know
November 8, 2012 5:17:38 PM

no nothing happens i push the button and it doesn't start
a b ) Power supply
a c 114 à CPUs
November 8, 2012 5:21:53 PM

Do the case fans spin?
November 8, 2012 5:24:52 PM

if upload photos of the mobo would it be helpful ?
a b ) Power supply
a c 114 à CPUs
November 8, 2012 5:26:19 PM

Yes. If the fans do not spin, then the power supply doesn't start. What power supply do you use? Have you checked the board's manual when connecting the front panel?
November 8, 2012 5:31:59 PM

my psu is a hec pro 385 and when i asked here if it is compatible or not someone told me that it will be
a b ) Power supply
a c 114 à CPUs
November 8, 2012 5:37:22 PM

It should at least turn the fans. Test the board without the graphics card (use the onboard). There's a test for power supplies (using a paper clip):
Check also the connections of the power cables and of the front panel switches. If unsure how to connect them, check the manual.
November 8, 2012 5:44:53 PM

No it doesnt do anything ,but i have problem with front panel connectors i haven't connected these cables:
Message/power/sleep led
chassis intrussion header
SPDIF_O(S/PDIF Out Header)
F_USB30(USB3.0/2.0 Header)
F_USB 1/2(USB2.0/1.1 Headers)
a b ) Power supply
a c 114 à CPUs
November 8, 2012 5:52:09 PM

The power supply has a ATX 20+4 pin and a 4-pin CPU connector. Connect the 20+4 to the board's 24 pin connector and the 4-pin to the corresponding board's one. Connect a case fan to the molex or to the board's header. Connect the power switch to the board's connector. No other connections (disconect all other cables). Start the board. The fans should start spinning.
November 8, 2012 5:57:27 PM

and then what will it start, by the way are you from greece ?
a b ) Power supply
a c 114 à CPUs
November 8, 2012 6:08:57 PM

No, Romania. You'll check if the power supply powers the board (fans start spinning). You can find some tutorials regarding motherboard installation on Youtube. If you don't have the board's manual, I can provide a link.
November 8, 2012 6:13:18 PM

if it doesn't then i have to buy new psu?
a b ) Power supply
a c 114 à CPUs
November 8, 2012 6:16:29 PM

Buy parts only if you're sure they are faulty. I suggest taking the computer to a local shop for troubleshooting.
November 8, 2012 6:19:55 PM

ok but i am sure that my psu isnt faulty because yesterday with my old mobo and old cpu worked fine